<?php
use yii\helpers\Url;

$web = Url::base();

$site_name = \app\models\Mall::getCurrentInstitutionSiteName();
$this->title = $site_name . '-幸运大转盘';
?>

<link href="<?= $web ?>/css/mall-m/lottery/zp.css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="<?= $web ?>/js/mall-m/lottery/zp.js"></script>
<script type="application/javascript">
    function payIntegral() {
        // 上海锚定抽奖免费
//        var r = confirm('消费 1 积分抽奖?');
        var r = true;
        if (r == true) {
//            var responseData = requestJsonMallM('play-lottery-pay-integral-handler', null);
            var responseData = {};
            responseData.status = 0;
            if (responseData.status == 0) {
                return true;
            } else if (responseData.status == 10) {
                alert('积分不足!');
                return false;
            } else {
                alert('扣除积分失败!');
                return false;
            }
        }
        return false;
    }

</script>
<script type="text/javascript">
    var turnplate = {
        restaraunts: [],				//大转盘奖品名称
        colors: [],					//大转盘奖品区块对应背景颜色,
        resource: [],    // 奖品对应的链接地址
        outsideRadius: 192,			//大转盘外圆的半径
        textRadius: 155,				//大转盘奖品位置距离圆心的距离
        insideRadius: 68,			//大转盘内圆的半径
        startAngle: 0,				//开始角度

        bRotate: false				//false:停止;ture:旋转
    };

    $(document).ready(function () {
        //动态添加大转盘的奖品与奖品区域背景颜色
        turnplate.restaraunts = ["车主无忧50元油卡", "谢谢参与", "优酷季会员24元券", "微信电影41元红包", "滴滴打车100元券", "谢谢参与", "e代驾随机优惠券", "谢谢参与", "iPhone7黑色128G", "30元鲜花代金券"];
//        turnplate.restaraunts = ["50M免费流量包", "10朵拉币", "谢谢参与", "5朵拉币", "10M免费流量包", "20M免费流量包", "20朵拉币 ", "30M免费流量包", "100M免费流量包", "2朵拉币"];
        turnplate.colors = ["#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF", "#FFF4D6", "#FFFFFF"];
        turnplate.resources = [
            "http://m.fanso2o.com/shop/6d8995cadb504246be58189fda49bd3c",
            null,
            "http://m.fanso2o.com/shop/9f43b4b9963b4838b751587e773d990a",
            "http://m.fanso2o.com/shop/09835ae3da4f484dab3c7b6ce30dcea8",
            "http://m.fanso2o.com/shop/6076c5b7c9cc469a9c100e86fecfb0f0",
            null,
            "http://m.fanso2o.com/shop/a79f23669d9d404dbb26b5d84aef90bf",
            null,
            null,
            "http://m.fanso2o.com/shop/a79f23669d9d404dbb26b5d84aef90bf"];


        var rotateTimeOut = function () {
            $('#wheelcanvas').rotate({
                angle: 0,
                animateTo: 2160,
                duration: 8000,
                callback: function () {
                    alert('网络超时，请检查您的网络设置！');
                }
            });
        };

        //旋转转盘 item:奖品位置; txt：提示语;
        var rotateFn = function (item, txt, resource) {
            var angles = item * (360 / turnplate.restaraunts.length) - (360 / (turnplate.restaraunts.length * 2));
            if (angles < 270) {
                angles = 270 - angles;
            } else {
                angles = 360 - angles + 270;
            }
            $('#wheelcanvas').stopRotate();
            $('#wheelcanvas').rotate({
                angle: 0,
                animateTo: angles + 1800,
                duration: 8000,
                callback: function () {
                    turnplate.bRotate = !turnplate.bRotate;
                    if (resource == null) {
                        alert('谢谢参与!');
                    } else {
                        var r = confirm('恭喜您获得' + txt + '!\r\n立即领取?');
                        if (r == true) {
                            window.location.href = resource;
                        }
                    }
                }
            });
        };

        $('.pointer').click(function () {
            if (turnplate.bRotate)return;
            var paySuccess = payIntegral();
            if (paySuccess == false)return;
            turnplate.bRotate = !turnplate.bRotate;
            //获取随机数(奖品个数范围内)
            var item = rnd(1, turnplate.restaraunts.length);
            //奖品数量等于10,指针落在对应奖品区域的中心角度[252, 216, 180, 144, 108, 72, 36, 360, 324, 288]
            rotateFn(item, turnplate.restaraunts[item - 1], turnplate.resources[item - 1]);
            /* switch (item) {
             case 1:
             rotateFn(252, turnplate.restaraunts[0]);
             break;
             case 2:
             rotateFn(216, turnplate.restaraunts[1]);
             break;
             case 3:
             rotateFn(180, turnplate.restaraunts[2]);
             break;
             case 4:
             rotateFn(144, turnplate.restaraunts[3]);
             break;
             case 5:
             rotateFn(108, turnplate.restaraunts[4]);
             break;
             case 6:
             rotateFn(72, turnplate.restaraunts[5]);
             break;
             case 7:
             rotateFn(36, turnplate.restaraunts[6]);
             break;
             case 8:
             rotateFn(360, turnplate.restaraunts[7]);
             break;
             case 9:
             rotateFn(324, turnplate.restaraunts[8]);
             break;
             case 10:
             rotateFn(288, turnplate.restaraunts[9]);
             break;
             } */
            console.log(item);
        });
    });

    function rnd(n, m) {
        var random = Math.floor(Math.random() * (m - n + 1) + n);
        if (random == 9)random--;
        return random;
    }


    //页面所有元素加载完毕后执行drawRouletteWheel()方法对转盘进行渲染
    window.onload = function () {
        drawRouletteWheel();
    };

    function drawRouletteWheel() {
        var canvas = document.getElementById("wheelcanvas");
        if (canvas.getContext) {
            //根据奖品个数计算圆周角度
            var arc = Math.PI / (turnplate.restaraunts.length / 2);
            var ctx = canvas.getContext("2d");
            //在给定矩形内清空一个矩形
            ctx.clearRect(0, 0, 422, 422);
            //strokeStyle 属性设置或返回用于笔触的颜色、渐变或模式
            ctx.strokeStyle = "#FFBE04";
            //font 属性设置或返回画布上文本内容的当前字体属性
            ctx.font = '16px Microsoft YaHei';
            for (var i = 0; i < turnplate.restaraunts.length; i++) {
                var angle = turnplate.startAngle + i * arc;
                ctx.fillStyle = turnplate.colors[i];
                ctx.beginPath();
                //arc(x,y,r,起始角,结束角,绘制方向) 方法创建弧/曲线（用于创建圆或部分圆）
                ctx.arc(211, 211, turnplate.outsideRadius, angle, angle + arc, false);
                ctx.arc(211, 211, turnplate.insideRadius, angle + arc, angle, true);
                ctx.stroke();
                ctx.fill();
                //锁画布(为了保存之前的画布状态)
                ctx.save();

                //----绘制奖品开始----
                ctx.fillStyle = "#E5302F";
                var text = turnplate.restaraunts[i];
                var line_height = 17;
                //translate方法重新映射画布上的 (0,0) 位置
                ctx.translate(211 + Math.cos(angle + arc / 2) * turnplate.textRadius, 211 + Math.sin(angle + arc / 2) * turnplate.textRadius);

                //rotate方法旋转当前的绘图
                ctx.rotate(angle + arc / 2 + Math.PI / 2);

                /** 下面代码根据奖品类型、奖品名称长度渲染不同效果，如字体、颜色、图片效果。(具体根据实际情况改变) **/
                if (text.indexOf("M") > 0) {//流量包
                    var texts = text.split("M");
                    for (var j = 0; j < texts.length; j++) {
                        ctx.font = j == 0 ? 'bold 20px Microsoft YaHei' : '16px Microsoft YaHei';
                        if (j == 0) {
                            ctx.fillText(texts[j] + "M", -ctx.measureText(texts[j] + "M").width / 2, j * line_height);
                        } else {
                            ctx.fillText(texts[j], -ctx.measureText(texts[j]).width / 2, j * line_height);
                        }
                    }
                } else if (text.indexOf("M") == -1 && text.length > 6) {//奖品名称长度超过一定范围
                    text = text.substring(0, 6) + "||" + text.substring(6);
                    var texts = text.split("||");
                    for (var j = 0; j < texts.length; j++) {
                        ctx.fillText(texts[j], -ctx.measureText(texts[j]).width / 2, j * line_height);
                    }
                } else {
                    //在画布上绘制填色的文本。文本的默认颜色是黑色
                    //measureText()方法返回包含一个对象，该对象包含以像素计的指定字体宽度
                    ctx.fillText(text, -ctx.measureText(text).width / 2, 0);
                }

                //添加对应图标
                if (text.indexOf("朵拉币") > 0) {
                    var img = document.getElementById("shan-img");
                    img.onload = function () {
                        ctx.drawImage(img, -15, 10);
                    };
                    ctx.drawImage(img, -15, 10);
                } else if (text.indexOf("谢谢参与") >= 0) {
                    var img = document.getElementById("sorry-img");
                    img.onload = function () {
                        ctx.drawImage(img, -15, 10);
                    };
                    ctx.drawImage(img, -15, 10);
                }
                //把当前画布返回（调整）到上一个save()状态之前
                ctx.restore();
                //----绘制奖品结束----
            }
        }
    }

</script>
<div class="main" style="overflow-x:hidden;">
    <img class="bg-top" src="<?= $web ?>/images/mall-m/lottery/zp/bg-top.png">

    <div class="main-frame">
        <img src="<?= $web ?>/images/mall-m/lottery/zp/1.png" id="shan-img" style="display:none;"/>
        <img src="<?= $web ?>/images/mall-m/lottery/zp/2.png" id="sorry-img" style="display:none;"/>
        <div class="banner">
            <div class="turnplate" style="background-image:url(<?= $web ?>/images/mall-m/lottery/zp/turnplate-bg.png);background-size:100% 100%;">
                <canvas class="item" id="wheelcanvas" width="422px" height="422px"></canvas>
                <img class="pointer" src="<?= $web ?>/images/mall-m/lottery/zp/turnplate-pointer.png"/>
            </div>
        </div>
    </div>

    <img class="bg-bottom" src="<?= $web ?>/images/mall-m/lottery/zp/bg-bottom.png">
    <label class="copy-text">活动最终解释权归 &copy;上海锚定 所有</label>
</div>
